774704744 has 48 divisors (see below), whose sum is σ = 1602322560. Its totient is φ = 348248000.

The previous prime is 774704701. The next prime is 774704761. The reversal of 774704744 is 447407477.

It is a super-2 number, since 2×774704744² = 1200334880752211072, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 774704695 and 774704704.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 897257 + ... + 898119.

It is an arithmetic number, because the mean of its divisors is an integer number (33381720).

Almost surely, 2^774704744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 774704744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (801161280).

774704744 is an abundant number, since it is smaller than the sum of its proper divisors (827617816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

774704744 is a wasteful number, since it uses less digits than its factorization.

774704744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082 (or 977 counting only the distinct ones).

The product of its (nonzero) digits is 614656, while the sum is 44.

The square root of 774704744 is about 27833.5183546745. The cubic root of 774704744 is about 918.4286124471.

Adding to 774704744 its reverse (447407477), we get a palindrome (1222112221).

The spelling of 774704744 in words is "seven hundred seventy-four million, seven hundred four thousand, seven hundred forty-four".